/Engine/Source/Editor/Sequencer/Public/MovieSceneTrackEditor.h
Find or add a track of the specified type in the focused movie scene.
The track results.
template<typename TrackClass> [FFindOrCreateRootTrackResult](API\Editor\Sequencer\FMovieSceneTrackEditor\FFindOrCreateRootTrackResult)< TrackClass > FindOrCreateRootTrack()